Ed Pierce vs. Ray Robinson — Career Comparison

Looking at the career totals, Ed Pierce and Ray Robinson are fairly close on the surface numbers. Ray Robinson posted stronger numbers in WHIP (1.765 vs 2.438) and home runs allowed (0.35 per nine innings vs 1.69). Ed Pierce had the advantage in ERA (3.38 vs 7.76). By the career numbers, Ray Robinson had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.